Seiko Cal. 6660 - 818

Released in 1973, the Cal. 6660 with design code 818 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-4066ac3511c2]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1973

Related Models

• Seiko 5672-338
• Seiko 5225-406
• Seiko 3833-236
• Seiko 6122-653
• Seiko 6258-516
• Seiko 3885-664
• Seiko 6639-631
• Seiko 5216-729
• Seiko 7079-450
• Seiko 4460-656
• Seiko 5225-366
• Seiko 4527-701